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National Stock Number:
5306-00-592-8992
Federal Supply Class:
5306
National Item Identification Number:
005928992
Description:
BOLT,INTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.
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Manufacturer Information:
| S14-35-4157 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONCENTRIC HOLE DIAMETER | 0.625 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.375 INCHES NOMINAL | | COUNTERBORE DIAMETER | 1.005 INCHES NOMINAL | | FASTENER LENGTH | 0.844 INCHES NOMINAL | | HEAD HEIGHT | 0.407 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL THREAD LENGTH | 0.469 INCHES NOMINAL CONCENTRIC HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL | | STYLE DESIGNATOR | COUNTERBORE UNTHREADED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-QQ-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SERIES | UNF CONCENTRIC HOLE | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNEF | | THREADS PER INCH | 18 CONCENTRIC HOLE |
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